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Long Island's Most Trusted Roofing & Siding Contractor

Serving Riverhead & Across Long Island - Fully Licensed & Insured Local Specialists

Top-Rated 5-Star Service
Locally Owned & Operated
Fully Licensed & Insured
Riverhead, NY

Our Exterior Services

Full-service roofing and siding for Long Island homes — from active leak repairs to complete installations

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Roof Installations
Cedar shake roofing is our specialty — hand-nailed cedar alongside premium architectural asphalt installations for Long Island homes and estates.

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Shingle Conversions
Expert transition from high-maintenance old wood shingles to long-lasting, modern architectural asphalt shingles.

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Siding & Gutter Work
Complete vinyl and composite siding installations to boost your home's curb appeal, protection, and energy efficiency.

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Leak Repairs & Patchwork
Fast, targeted repairs to pinpoint and stop active leaks before they cause severe structural water damage.

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Older & Complex Structures
Specialized craftsmanship tailored for architectural quirks, unique roof lines, and complicated jobs on historic homes.

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Skylight Work
Professional skylight replacements, repairs, and leak-free sealing to bring natural lighting safely into your living spaces.

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Wood Shingles
Hand-nailed cedar shake — the correct way to install cedar for longevity and weather-tightness on Long Island's coastal homes.

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Flat Roofs
Advanced commercial and residential flat roofing specializing in certified Kemper System waterproofing and durable EPDM membrane installations.

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Why Long Island Homeowners Choose MJB Roofing & Siding

When you hire a roofing and exterior contractor in Riverhead, NY, you deserve a local professional who respects your time and your property. MJB Roofing & Siding is a locally owned and operated business serving residential and commercial clients all across Long Island. We've built a reputation on outstanding communication, technical expertise, and an unwavering commitment to quality.

We specialize in tackling the unique exterior challenges Long Island homes face — from high wind and coastal storm exposure to seamless wood shingle to asphalt conversions. Our crew is highly trained to manage complicated structural quirks on older homes that other contractors walk away from. We are fully licensed and insured, meaning your property is protected from the moment we arrive until the project is finalized.

We are widely praised for fast turnaround times and meticulous post-construction cleanup — leaving your yard entirely immaculate. No cutting corners, no high-pressure upselling, and absolutely no debris left behind.

5/5
Yelp Rated

Fast
Turnaround

100%
Clean Yard Guarantee

Fully
Licensed & Insured

Proudly Serving All of Long Island

Based out of Riverhead, NY — servicing residential and commercial properties across Nassau and Suffolk Counties

Riverhead
Manhasset
Patchogue
Huntington
Greenport
Quogue
Westhampton Beach
East Hampton
Southampton
Remsenburg
Moriches
Water Mill
Bridgehampton
Mattituck
Port Jefferson
Long Beach

What Our Neighbors Say

Verified 5-star reviews from Google — real Long Island property owners

★★★★★
"Mike and his company are the absolute best. I can't tell you how much I appreciate this Company for taking care of me and making me feel at ease as a homeowner. I recommend Mike and MJB roofing & siding to EVERYONE!!! Home run"
Christopher Gray
via Google Reviews

★★★★★
"My experience with MJB (Mike) could not have been better — or more fairly priced. He and his guys were, at all times, extremely professional. Converting a rotting, wood shingle roof on a 70 year old out-building to asphalt…"
Geoffrey Weber
via Google Reviews

★★★★★
"Great experience from start to finish. The crew was professional, clean, fast, and stayed on schedule the entire time. They made the process stress-free and the roof came out beautiful. Highly recommend."
Michele Koronkiewicz
via Google Reviews

Frequently Asked Questions

What is the approximate timeline for a roof installation?
We pride ourselves on fast turnaround times. Most standard residential roof replacements are completed efficiently within 1 to 2 days. Structurally complicated designs or larger properties may require a bit more time, but we always establish clear expectations beforehand.
Do you specialize in conversions from wood shingle roofs?
Yes, we frequently handle wood shingle to asphalt conversions. Upgrading older structures to premium architectural asphalt shingles significantly enhances durability, minimizes ongoing maintenance, and delivers reliable weather protection.
Are you fully licensed and insured exterior contractors?
Absolutely. MJB Roofing & Siding carries complete licensing and full liability and workers' compensation insurance coverage. We prioritize protecting our clients and keeping your property fully safe during our operations.
Can you handle siding or gutter work alongside a roofing project?
Yes, we are a comprehensive exterior contractor. Combining roofing replacements with vinyl or composite siding and gutter updates is highly efficient and guarantees that your home's total water runoff and weatherproofing systems function seamlessly together.
How do I arrange a free project estimate?
You can call us directly at (631) 485-5000 during our standard business hours (Monday to Friday, 9:00 AM – 5:00 PM) or complete our easy digital form. Let us know your home's rough square footage and whether you have an active leak or need a full installation, and we will get back to you quickly.

Ready for a Free Estimate?

Get in touch with our team today — premium local craftsmanship and honest roofing advice.

(631) 485-5000
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Fully Licensed & Insured

Riverhead, NY 11901 · Top-Rated Local Service

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